Each potential customer who sign ups with the month free promo code has a 0.40 probability of becoming a paying user and acts independently of the other customers. What is the population average and variance for the number of paying users resulting from 15 customers who sign up with the promo code?
Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
Each potential customer who sign ups with the month free promo code has a 0.40
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